<template>
 <div>
      <index>  </index>
 </div>
</template>
   
<script>
import index from '../../layout/index.vue';
export default {
  components : {index} , 
  data () {
    return {
      msg: '入口文件!'
    }
  }
}
</script>

<style >
.example {
  color: red;
}
</style>